<template>
  <div>
    <!--  面包屑导航区-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--  卡片视图区域-->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
    </el-card>
    <!--  table表格区域-->
    <el-table :data="goodList" border stripe>
      <el-table-column type="index"></el-table-column>
      <el-table-column label="商品名称" prop="goods_name"></el-table-column>
      <el-table-column label="商品价格（元）" width="105px" prop="goods_price"></el-table-column>
      <el-table-column label="商品重量" width="90px" prop="goods_weight"></el-table-column>
      <el-table-column label="创建时间" width="160px" prop="add_time">
        <template slot-scope="scope">
          {{ scope.row.add_time | dateFormat }}
        </template>
      </el-table-column>
      <el-table-column width="200px" label="操作">
        <template slot-scope="scope">
          <el-button size="mini" type="primary" icon="el-icon-edit">编辑</el-button>
          <el-button size="mini" type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <!--  分页区域-->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
  </div>
</template>

<script>
import { getGoodsList, removeById } from '@/api/list'

export default {
  name: 'List',
  data () {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodList: [],
      //  总数据条数
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取相对应的数据列表
    async getGoodsList () {
      const res = await getGoodsList(this.queryInfo)
      // console.log(res)
      if (res.data.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      this.$message.success('获取商品列表成功')
      this.goodList = res.data.data.goods
      this.total = res.data.data.total
    },
    handleSizeChange (newPageSize) {
      this.queryInfo.pagesize = newPageSize
      this.getGoodsList()
    },
    handleCurrentChange (newPageNum) {
      this.queryInfo.pagenum = newPageNum
      this.getGoodsList()
    },
    async removeById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const res = await removeById(id)
      if (res.data.meta.status !== 200) {
        this.$message.error('删除商品失败')
      }
      this.$message.success('删除商品成功')
      this.getGoodsList()
    },
    goAddpage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style scoped>

</style>
